NGC 1275 (Perseus A) is a Seyfert galaxy, located approximately 225 million light-years away, with a diameter exceeding 100,000 light-years. Characterized as a strong radio and X-ray emitter, its ...
Figure 1: Optical HST image of the compact lenticular galaxy NGC 1277. Figure 3: The correlation between black-hole mass and near-infrared bulge luminosity, . A stellar population analysis of NGC 1277 ...
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